Seiko Cal. 3847 - 977

Seiko 3847-977

The 3847-977 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-2190fa48eb4c]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1976

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